diff --git a/boswatch/descriptor/descriptor.py b/boswatch/descriptor/descriptor.py
index d508418..304093e 100644
--- a/boswatch/descriptor/descriptor.py
+++ b/boswatch/descriptor/descriptor.py
@@ -32,7 +32,7 @@ class Descriptor:
         self._lists = {}
 
     def loadDescription(self, csvType):
-        """!Build a new description list
+        """!Build a new description list from DescriptionList class
 
         @param csvType: Name of the CSV file without `.csv`
         @return True or False"""
@@ -55,7 +55,7 @@ class Descriptor:
             bwPacket.setField("longDescription",
                               self._lists[bwPacket.getField("mode")].getLongDescription(bwPacket.getField(bwPacket.getField("mode"))))
             return True
-        except:
+        except:  # pragma: no cover
             logging.exception("error while adding descriptions")
             return False
 
diff --git a/boswatch/utils/paths.py b/boswatch/utils/paths.py
index 4824af5..dd64d30 100644
--- a/boswatch/utils/paths.py
+++ b/boswatch/utils/paths.py
@@ -32,7 +32,10 @@ def createIfNotExist(dirPath):
 
     @param dirName: Path of the directory
     @return Path of the directory"""
-    if not os.path.exists(dirPath):
-        os.mkdir(dirPath)
-        logging.debug("directory created: %s", dirPath)
+    try:
+        if not os.path.exists(dirPath):
+            os.mkdir(dirPath)
+            logging.debug("directory created: %s", dirPath)
+    except:
+        logging.exception("error by creating a directory: %s", dirPath)
     return dirPath
diff --git a/logo/dev.png b/logo/dev.png
new file mode 100644
index 0000000..4bd3a4d
Binary files /dev/null and b/logo/dev.png differ